Re: Poor network performance x86_64.. also with 3.13

2014-02-09 Thread Borislav Petkov
On Sun, Feb 09, 2014 at 10:14:34AM -0800, Eric Dumazet wrote: > tcp_rmem[2] = 16777 > > Come on, the 640KB barrier was broken a long time ago ;) > > Feel free to investigate, I wont ;) Me too - it's not like I don't have anything else to do. :-) I was just wondering why 3.10 was fine even with

Re: Poor network performance x86_64.. also with 3.13

2014-02-09 Thread Eric Dumazet
On Sun, 2014-02-09 at 16:31 +0100, Borislav Petkov wrote: > On Sun, Feb 09, 2014 at 04:05:11PM +0100, Daniel Exner wrote: > > > cat /etc/sysctl.d/net.conf > > > net.ipv4.tcp_window_scaling = 1 > > > net.core.rmem_max = 16777216 > > > net.ipv4.tcp_rmem = 4096 87380 16777 > > > net.ipv4.tcp_wmem = 40

Re: Poor network performance x86_64.. also with 3.13

2014-02-09 Thread Borislav Petkov
On Sun, Feb 09, 2014 at 04:05:11PM +0100, Daniel Exner wrote: > > cat /etc/sysctl.d/net.conf > > net.ipv4.tcp_window_scaling = 1 > > net.core.rmem_max = 16777216 > > net.ipv4.tcp_rmem = 4096 87380 16777 > > net.ipv4.tcp_wmem = 4096 1638 > > After removing those values I finally had sane iper

Re: Poor network performance x86_64.. also with 3.13

2014-02-09 Thread Daniel Exner
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Hi all, Am Mon, 20 Jan 2014 23:37:52 +0100 schrieb Borislav Petkov : > On Mon, Jan 20, 2014 at 11:27:25PM +0100, Daniel Exner wrote: > > I just did the same procedure with Kernel Version 3.13: same poor > > rates. > > > > I think I will try to see

Re: Poor network performance x86_64.. also with 3.13

2014-01-20 Thread Branimir Maksimovic
On 01/20/2014 11:37 PM, Borislav Petkov wrote: On Mon, Jan 20, 2014 at 11:27:25PM +0100, Daniel Exner wrote: I just did the same procedure with Kernel Version 3.13: same poor rates. I think I will try to see of 3.12.6 was still ok and bisect from there. Or try something more coarse-grained lik

Re: Poor network performance x86_64.. also with 3.13

2014-01-20 Thread Borislav Petkov
On Mon, Jan 20, 2014 at 11:27:25PM +0100, Daniel Exner wrote: > I just did the same procedure with Kernel Version 3.13: same poor rates. > > I think I will try to see of 3.12.6 was still ok and bisect from there. Or try something more coarse-grained like 3.11 first, then 3.12 and then the -rcs in

Poor network performance x86_64.. also with 3.13

2014-01-20 Thread Daniel Exner
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Hi, Am 18.01.2014 23:46, schrieb Daniel Exner: > Hi again, > > Am 18.01.2014 20:50, schrieb Borislav Petkov: >> + netdev. > Thx > > Am 18.01.2014 20:49, schrieb Holger Hoffstätte:> [This mail was > also posted to gmane.linux.kernel.] > >> On Sat,